Analysis
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max time kernel
164s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12/02/2022, 06:37
Static task
static1
Behavioral task
behavioral1
Sample
0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe
Resource
win10v2004-en-20220112
General
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Target
0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe
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Size
60KB
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MD5
1eeac55938cf588a90c352f3c5143f3b
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SHA1
ff3005979f2f6abe98be0f448706ae07527fe307
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SHA256
0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689
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SHA512
2c53fa1f4f27cab5007c79e92e30ed7ea3ea8b6d2ba5831104b2f6919c5f96cfeb3fecd4fc35d97757a9b3a5a7ffbf2ed6d82fe91254031902e2f24d9f6455ab
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2116 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Modifies data under HKEY_USERS 52 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.133511" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.125015" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.016592" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4076" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892979699515925" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1300 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeIncBasePriorityPrivilege 3688 0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3688 wrote to memory of 2116 3688 0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe 67 PID 3688 wrote to memory of 2116 3688 0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe 67 PID 3688 wrote to memory of 2116 3688 0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe 67 PID 3688 wrote to memory of 2052 3688 0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe 80 PID 3688 wrote to memory of 2052 3688 0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe 80 PID 3688 wrote to memory of 2052 3688 0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe 80 PID 2052 wrote to memory of 1300 2052 cmd.exe 82 PID 2052 wrote to memory of 1300 2052 cmd.exe 82 PID 2052 wrote to memory of 1300 2052 cmd.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe"C:\Users\Admin\AppData\Local\Temp\0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3688 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2116
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1300
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1956
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:116
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3564